In R terminal :
install.packages("file_name_and_path", repos = "http://...", type="source")
install.packages("file_name_and_path", repos = NULL, type="source")
In unix terminal :
R CMD INSTALL package_name.tar.gz
Check that R is properly installed :
$ which R
/usr/bin/R
Install the package :
$ sudo R CMD INSTALL package_name.tgz
Check that everything is happy :
$ ls -l /Library/Frameworks/R.framework/Resources/library/
